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| PWB Vishay Electro-Films Thin Film Power Resistors CHIP RESISTORS FEATURES * Wire bondable Product may not be to scale * Power: 1 W * Chip size: 0.070 inches square * Resistance range: 0.3 to 20 k * Oxidized silicon substrate for good power dissipation * Resistor material: Tantalum nitride, self-passivating The PWB series resistor chips offer a 1 W power rating in a relatively small size. They offer one of the best combinations of size and power available. The PWBs are manufactured using Vishay Electro-Films (EFI) sophisticated thin film equipment and manufacturing technology. The PWBs are 100 % electrically tested and visually inspected to MIL-STD-883. APPLICATIONS The PWB resistor chips are used mainly in higher power circuits of amplifiers where increased power loads require a more specialized resistor. TEMPERATURE COEFFICIENT OF RESISTANCE, VALUES AND TOLERANCES Tightest Standard Tolerance Available 5% 1% 0.5 % PROCESS CODE CLASS H* 50 ppm/C 100 ppm/C * 250 ppm/C CLASS K* 005 004 009 001 000 008 *MIL-PRF-38534 inspection criteria 0.3 2 10 50 10 k 20 k * 600 ppm/C R < 2 STANDARD ELECTRICAL SPECIFICATIONS PARAMETER Noise, MIL-STD-202, Method 308 100 - 250 k < 100 or > 251 k MoistureResistance, MIL-STD-202 Method 106 Stability, 1000 h, + 125 C, 500 mW Operating Temperature Range Thermal Shock, MIL-STD-202, Method 107, Test Condition F High Temperature Exposure, + 150 C, 100 h Dielectric Voltage Breakdown Insulation Resistance Operating Voltage Steady State 5 x Rated Power DC Power Rating at + 70 C (Derated to Zero at + 175 C) (Conductive Epoxy Die Sttach to Alumina Substrate) 5 x Rated Power Short-Time Overload, + 25 C, 5 s - 35 dB typ. - 20 dB typ. 0.5 % max. R/R 0.5 % max. R/R - 55 C to + 125 C 0.1 % max. R/R 0.2 % max. R/R 200 V 1012 min. 100 V max. 200 V max. 1W 0.25 % max. R/R % www.vishay.com 62 For technical questions, contact: efi@vishay.com Document Number: 61021 Revision: 12-Mar-08 PWB Thin Film Power Resistors Vishay Electro-Films DIMENSIONS in inches 0.070 0.063 0.005 0.070 0.063 0.005 CHIP RESISTORS 0.072 0.072 TYPICAL RANGE R < 240 0.010 TYPICAL RANGE 240 - 20 k SCHEMATIC MECHANICAL SPECIFICATIONS in inches PARAMETER Chip Size Chip Thickness Chip Substrate Material Resistor Material Bonding Pad Size Number of Pads Pad Material Backing Options: Gold back for eutectic die attach Gold bonding pads, 15 kA minimum thickness Consult Applications Engineer 0.070 x 0.070 0.005 (1.781 x 1.781 mm) 0.010 0.002 (0.254 0.05 mm) Oxidized silicon, 10 kA minimum SiO2 Tantalum nitride, self-passivating 0.005 x 0.010 (0.127 x 0.254 mm) minimum 2 10 kA minimum aluminum None, lapped semiconductor silicon ORDERING INFORMATION Example: 100 % visual, 10 k, 1 %, 100 ppm/C TCR, aluminum pads, class H visual inspection W INSPECTION/ PACKAGING W = 100 % visually inspected parts in matrix trays per MIL-STD-883 X = Sample, visually inspected parts loaded in matrix trays (4 % AQL) PWB PRODUCT FAMILY 000 PROCESS CODE See Process Code table 1000 RESISTANCE VALUE Use first 4 digits significant digits of the resistance 1 MULTIPLIER CODE D = 0.0001 C = 0.001 B = 0.01 A = 0.1 0=1 1 = 10 F TOLERANCE CODE D = 0.5 % F = 1.0 % G = 2.0 % H = 2.5 % J = 5.0 % K = 10 % Document Number: 61021 Revision: 12-Mar-08 For technical questions, contact: efi@vishay.com www.vishay.com 63 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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